How to Measure Flat Size?

Just break out your measuring tape—or a laser measure—to get its length and width. Multiply the width by the length and voila! You have the square footage. Say a room is 20 feet wide by 13 feet long, then 20 x 13 = 260 square feet.

How do you measure a flat?

The measurement you see in the chart refers to the width of the chest when lying flat. So the entire front + back will be double what you see. For example, if the measurement in the chart if 42cm, the entire front + back when lying flat is 84cm.

How do you measure apartment size?

Using a tape measure, first measure the length of the room and then the width. Multiply those two numbers to get the area, or square footage, of that space. Do this in every room and then add those numbers together to get the overall square footage of your apartment.